Mechanical Behavior Analysis of a Friction Stir Welding (FSW) for Welded Joint Applied to Polymer Materials

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Published Dec 17, 2018
DOI https://doi.org/10.3221/IGF-ESIS.47.36

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Hachellaf kaddour
Mascara University
Meddah Hadj Miloud
Mascara University
Ould Chikh El Bahri
Mascara University
Lounis Abdallah
Mascara University

Abstract

Welding is a technique of fusion joining the material involving a process of inter-molecular diffusion adhesion. Polymer welding is an assembly method among several known assembly techniques such as gluing. This welding process applies to thermoplastics; they have the rheological or softening characteristics during melting. This process is fast and controlled in order to obtain a solid and durable mechanical connection on the series parts. This study focuses on the weldability of high density polyethylene (HDPE) using the friction stir welding technique. A parametric choice was made to optimize the operating parameters namely the shape of the welding tool, the speed of rotation and the speed of advance of the tool.  Monotonic tensile tests were used to compare the mechanical characteristics between a HDPE test specimen and a specimen taken from an FSW weldment.


It emerges from this study that the FSW welding introduces a weakening of the joints characterized by a clear decrease of the deformation at break.

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    Issue
    Vol. 13 No. 47 (2019): January 2019
    Section
    Miscellanea

    How to Cite

    kaddour, H., Hadj Miloud, M., El Bahri, O. C., & Abdallah, L. (2018). Mechanical Behavior Analysis of a Friction Stir Welding (FSW) for Welded Joint Applied to Polymer Materials. Frattura Ed Integrità Strutturale, 13(47), 459–467. https://doi.org/10.3221/IGF-ESIS.47.36

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